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-   -   Blown Amp Fuse after installing aftermarket HU (https://www.ft86club.com/forums/showthread.php?t=144987)

Andrewkd 04-18-2021 05:14 PM

Blown Amp Fuse after installing aftermarket HU
 
Hey guys, i recently installed a kenwood DMX4707S along with a metra harness and a autoharnesshouse 28 pin kit, after installing everything worked but the door speakers, I found that the amp fuse was blown... Any idea why? And what should I do to prevent it from blowing another fuse.

Thank you!

soundman98 04-18-2021 06:03 PM

it didn't like you touching precious.

if it keeps blowing you've got a wiring problem. if it doesn't, you messed up while installing it and didn't notice.

Andrewkd 04-18-2021 11:39 PM

Quote:

Originally Posted by soundman98 (Post 3424646)
it didn't like you touching precious.

if it keeps blowing you've got a wiring problem. if it doesn't, you messed up while installing it and didn't notice.

Haha that made me LOL

Yeah it's very odd that it blew up bot I will replace it, any idea what to do if it happens again?

soundman98 04-19-2021 12:45 AM

i always reinspect the part that changed. first step is to return to the stock radio, and make sure nothing changed, then inspect the adapter harness for likely miswiring. optionally, try a different aftermarket radio to confirm a miswiring(same final problem, different known-good radio, just in case the one you've got is a dud)-- but that should be a last resort, as most people don't have extra aftermarket radios laying around, and they rarely do anything that would cause fuses to blow.

Andrewkd 04-21-2021 02:53 AM

Quote:

Originally Posted by soundman98 (Post 3424773)
i always reinspect the part that changed. first step is to return to the stock radio, and make sure nothing changed, then inspect the adapter harness for likely miswiring. optionally, try a different aftermarket radio to confirm a miswiring(same final problem, different known-good radio, just in case the one you've got is a dud)-- but that should be a last resort, as most people don't have extra aftermarket radios laying around, and they rarely do anything that would cause fuses to blow.

i replaced the fuse and it didnt blow up, but still have no audio from door speakers... really odd

soundman98 04-21-2021 11:17 PM

did the remote turnon wire get connected to the new radio? i believe there's 2 of them. one in the speaker harness, and one in the radio power harness.


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